The FBI said Thursday it had launched an international terrorism investigation after a gunman -- identified as an Afghan national who served with US troops in Afghanistan -- shot and critically injured two National Guard soldiers near the White House in Washington.

The shooting, which officials described as an unprovoked, "ambush-style" attack, cast a grim shadow over the Thanksgiving holiday and triggered a hard-line, anti-immigrant response from President Donald Trump and some of his top law enforcement officials.

In a brief video statement in which he called the shooting an "act of evil," Trump painted immigrants as an existential threat to national security and his administration ordered an immediate halt to the processing of immigration applications from Afghanistan.

"We must take

See Full Page